DifferentialStackGraph.php
dc37789d530fstable

DifferentialStackGraph.php
View Options

			<?php

			final class DifferentialStackGraph
			extends AbstractDirectedGraph {

			private $parentEdges = array();
			private $childEdges = array();

			public function setSeedRevision(DifferentialRevision $revision) {
			return $this->addNodes(
			array(
			'<seed>' => array($revision->getPHID()),
			));
			}

			public function isEmpty() {
			return (count($this->getNodes()) <= 2);
			}

			public function getParentEdges() {
			return $this->parentEdges;
			}

			protected function loadEdges(array $nodes) {
			$query = id(new PhabricatorEdgeQuery())
			->withSourcePHIDs($nodes)
			->withEdgeTypes(
			array(
			DifferentialRevisionDependsOnRevisionEdgeType::EDGECONST,
			DifferentialRevisionDependedOnByRevisionEdgeType::EDGECONST,
			));

			$query->execute();

			$map = array();
			foreach ($nodes as $node) {
			$parents = $query->getDestinationPHIDs(
			array($node),
			array(
			DifferentialRevisionDependsOnRevisionEdgeType::EDGECONST,
			));

			$children = $query->getDestinationPHIDs(
			array($node),
			array(
			DifferentialRevisionDependedOnByRevisionEdgeType::EDGECONST,
			));

			$this->parentEdges[$node] = $parents;
			$this->childEdges[$node] = $children;

			$map[$node] = array_values(array_fuse($parents) + array_fuse($children));
			}

			return $map;
			}

			}